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Ricoh Co., Ltd. Patents
Assignee:
Ricoh Co., Ltd.
Address:
Tokyo, JP
No. of patents:
942
Patents:


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19










Patent Number Title Of Patent Date Issued
RE39830 Method for apparatus for recording and playback of multidimensional walkthrough narratives September 11, 2007
A method and apparatus for recording and playback of multidimensional walkthrough narratives. A three dimensional modeling language is used to automatically create a simple three-dimensional environment using pre-existing electronic documents. A first user, or author may navigate thr
RE32330 Method of maintaining the correct conditions of an electrophotographically duplicated image January 13, 1987
A method of maintaining the correct conditions of an electrophotographically duplicated image, which uses a reference plate having at least a dark-tone area and a light-tone area and in which signals associated with the reference plate are detected and synthesized to control the dupl
RE31371 Developing system September 6, 1983
A developing system is provided for a copying process such as an electrophotographic copying process in which a developer is supplied to the surface of a member which is formed with an electrostatic latent image to provide developing thereof. An electrode is disposed opposite the sur
RE30535 Developing device in electrophotographic copying apparatus March 3, 1981
An improved developing device in electrophotographic copying apparatus in which a plurality of developing electrodes are disposed along a path of movement of a photosensitive drum surface. The electrodes are applied with voltages in a graded manner which conforms to the damping character
D435845 Computing system January 2, 2001
D294709 Electrophotographic copying machine March 15, 1988
D265655 Electrostatic copier August 3, 1982
8587597 Page transitions on electronic paper displays November 19, 2013
A page transition file creation system and a method for creating a page transition file in a file format suitable for displaying transitions quickly on an electronic paper display. The page transition file creation system creates a page transition file with page transition blocks rep
8584042 Methods for scanning, printing, and copying multimedia thumbnails November 12, 2013
A method, apparatus and article of manufacture for creating visualizations of documents are described. In one embodiment, the method comprises receiving an electronic visual, audio, or audiovisual content; generating a display for authoring a multimedia representation of the received
8583637 Coarse-to-fine navigation through paginated documents retrieved by a text search engine November 12, 2013
A method and apparatus for visualizing results from a text search engine are described. A query term is first received. A first set of results is generated based on the query term using a database storing documents, and an index of documents, each document having at least one structural
8572695 Method for applying a physical seal authorization to documents in electronic workflows October 29, 2013
A system and method for applying a pre-existing physical seal authorization to documents provides for authentication of electronic documents using physical seals and without interrupting the electronic workflow. The system of the present invention includes a seal capture device coupl
8566752 Persistent selection marks October 22, 2013
Methods and method and apparatus are disclosed herein for marking electronic documents with one or more persistent selection marks. In one embodiment, the method comprises receiving input representing one or more marks on a document image; determining whether the one or more marks re
8566705 Dynamic document icons October 22, 2013
A method and apparatus is disclosed herein for generating visualizations (e.g., icons) suitable for a specific display. In one embodiment, the method comprises selecting a group of document images having similar layout features suitable for visualization or a specific display from the
8565298 Encoder rate control October 22, 2013
A method and apparatus for performing compression and/or decompression is described. In one embodiment, the present invention comprises a system having a buffer, a wavelet transform unit, and a coder. The wavelet transform unit has an input coupled to the buffer to perform a wavelet
8295720 Image forming apparatus capable of suppressing toner aggregation October 23, 2012
An image forming apparatus includes a controller that starts a forced drive stop sequence for stopping image formation at least by stopping rotation of a developer carrier in a first direction when a number of printed sheets reach a threshold. The forced drive stop sequence rotates t
8294807 Imaging system with variable opto-mechanical system, aberrated optics and compensating filter ba October 23, 2012
A weighted sum of a set of component filters is used to effectively apply different "composite" FIR filters to compensate for aberrations resulting from different opto-mechanical settings. The FIR filters are "composite" in the sense that they are a weighted sum of the set of component
8291315 Standardized network access to partial document imagery October 16, 2012
A method, apparatus and article of manufacture for network access of partial document imagery is described. In one embodiment, the method comprises receiving a request for a region of a page of a document, the request being originated from a client, determining one or more objects in
8286083 Copying documents from electronic displays October 9, 2012
A system including a Multi Function Printer/Product/Peripheral (MFP) and a portable computing device adapted to allow automatic copying of documents by the MFP from the portable computing device. The portable computing device includes a display, a plurality of sensors for detecting l
8284876 Automatic gain control circuit October 9, 2012
There are provided an A/D converting circuit (10) for converting, into a digital signal, a broadband intermediate frequency signal which is output from a frequency converting circuit (5), and a DSP (11) for generating and outputting control data to control gains of an antenna damping
8279232 Full framebuffer for electronic paper displays October 2, 2012
A system and a method are disclosed for updating a bi-stable display includes a framebuffer for storing waveforms for each pixel individually. The system includes determining a current state of a pixel of the bi-stable display; determining a desired state of the pixel of the bi-stabl
8276088 User interface for three-dimensional navigation September 25, 2012
The present invention uses invisible junctions which are a set of local features unique to every page of the electronic document to match the captured image to a part of an electronic document. The present invention includes: an image capture device, a feature extraction and recognition
8274666 Projector/printer for displaying or printing of documents September 25, 2012
A combined projector/printer that can receive data in a printer format or a projector format, and then either generate a displayable image, a printed document or both. In the case that the input data is not in a video format but rather in a print format, the projector system is furth
8271589 Mail list exceptions September 18, 2012
A method and apparatus for sending messages to a list of members of a group with exceptions to one or more members of the group. In one embodiment, the method comprising creating an electronic mail (email) message having an email address corresponding to a group of email addresses an
8265652 Geographic tagging of network access points September 11, 2012
A system for geographic tagging of network access points comprises a plurality of access points that have been configured to provide location information as part of their beacon. Each access point provides a service set identifier (SSID) that includes an encoded value that represents the
8255340 Method and apparatus for risk analysis of published logs August 28, 2012
A method and apparatus for analyzing risk associated with published logs are described. In one embodiment, the method comprises accessing a first log published to one or more logs. In one embodiment, the method may also comprise estimating a probability that an entry within the first log
8248684 Control of adaptive optics based on post-processing metrics August 21, 2012
Adaptive optics (AO) elements in imaging system allow dynamic and precise control over the optical wavefront to reduce uncontrolled wavefront errors in imaging systems. Traditional control of such devices is based on inverting the wavefront function to minimize the RMS wavefront error.
8248511 Dual-mode extended depth-of-field imaging systems August 21, 2012
A digital-optical imaging system can be operated in two modes, which shall be referred to as broadband mode and grayscale mode. In broadband mode, different color images are captured and then image processed together. The optics are intentionally aberrated to increase the depth of fi
8238609 Synthetic image and video generation from ground truth data August 7, 2012
A system and a method are disclosed for generating video. Object information is received. A path of motion of the object relative to a reference point is generated. A series of images and ground for a reference frame are generated from the ground truth and the generated path. A syste
8237733 Page transition on electronic paper display August 7, 2012
A page transition file creation system and a method for creating a page transition file in a file format suitable for displaying transitions quickly on an electronic paper display. The page transition file creation system creates a page transition file with page transition blocks rep
8229905 Adaptive document management system using a physical representation of a document July 24, 2012
Systems and methods for creating a Token and using it to operate and modify a case file in a document management system are described. An exemplary embodiment of a Token includes a representation of a case file. A Token may include a representation of a document associated with the c
8228518 Image processing apparatus, image processing method, and computer program product July 24, 2012
An image determining unit determines a type of each of a plurality of images to be combined. A character identifying unit identifies a black character area in each of the images. A color-conversion processing unit performs a color conversion or a monochrome conversion on the images and
8218163 Operating apparatus, controlling operating apparatus, communication system, and managing communi July 10, 2012
A communication system, and a method of managing the communication system are provided, each of which allows an apparatus in the communication system is replaced in a timely manner when an error is detected in the apparatus.
8209375 Communication of compressed digital images with restricted access and server/client hand-offs June 26, 2012
A method and apparatus for handling restricted access and server/client handoffs in a communication environment is described. In one embodiment, the method includes receiving a first request for a first set of image data corresponding to an image, and responding to the first request with
8203547 Video playback on electronic paper displays June 19, 2012
A system for displaying video on electronic paper displays to reduce video playback artifacts that includes an electronic paper display, a video transcoder, a display controller and a waveforms module is disclosed. The video transcoder receives a video stream including pixel data for
8201076 Capturing symbolic information from documents upon printing June 12, 2012
An MMR system for publishing comprises a plurality of mobile devices, an MMR gateway, an MMR matching unit, and an MMR publisher. A computer includes a document authoring application, plug-in, and printer driver. The MMR matching unit receives an image query from the MMR gateway and
8195659 Integration and use of mixed media documents June 5, 2012
A Mixed Media Reality (MMR) system and associated techniques are disclosed. The MMR system provides mechanisms for forming a mixed media document that includes media of at least two types (e.g., printed paper as a first medium and digital content and/or web link as a second medium).
8185733 Method and apparatus for automatically publishing content based identifiers May 22, 2012
A method and apparatus for automatically publishing content based identifiers are described. In one embodiment, the method comprises accessing an electronic communication to obtain a content based identifier (CBI) contained in the electronic communication. In one embodiment, the meth
8184918 Header-based processing of images compressed using multi-scale transforms May 22, 2012
A method and apparatus is described for segmenting an image, for adaptively scaling an image, and for automatically scaling and cropping an image based on codestream headers data. In one embodiment, a file that can provide a header that contains multi-scale entropy distribution infor
8184155 Recognition and tracking using invisible junctions May 22, 2012
The present invention uses invisible junctions which are a set of local features unique to every page of the electronic document to match the captured image to a part of an electronic document. The present invention includes: an image capture device, a feature extraction and recognition
8176054 Retrieving electronic documents by converting them to synthetic text May 8, 2012
The present invention relies on the two-dimensional information in documents and encodes two-dimensional structures into a one-dimensional synthetic language such that two-dimensional documents can be searched at text search speed. The system comprises: an indexing module, a retrieval
8171117 Workflow manager for a distributed system May 1, 2012
A workflow manager handles the communication between a workflow-enabled provider and a workflow-enabled client. The workflow manager maintains a directory of clients, translates a transaction from a provider into multiple transactions suitable for the client, and handles security. In
8169516 Electo-optical color imaging systems having strong lateral chromatic aberration compensated by d May 1, 2012
A spatially-varying sharpening filter and a color registration module compensate for significant lateral color in poorly corrected optics. In one aspect, a color imaging system includes image-forming optics, a sensor array and a processing module. The processing module includes a col
8161409 Re-writable cover sheets for collection management April 17, 2012
A method and apparatus is disclosed herein for using rewritable sheets. In one embodiment, the method comprises representing a first collection of media objects using a first sheet having a first identifier and a first graphical content representing the media objects, creating a second
8161153 Method and system for remote diagnostic, control and information collection based on various com April 17, 2012
A method, system, and program product for communicating with machines and end users connected to a network. Information sent to or from the machines is transmitted using electronic mail or a via a direct connection. The electronic mail may be transmitted over the Internet to a servic
8160461 Toner container and image forming apparatus April 17, 2012
A toner container detachably attached to a toner-container holder of a main body of an image forming apparatus includes a container body that includes an opening, and discharges toner contained in the container body, from the opening; and a held portion that is held by the toner-cont
8156427 User interface for mixed media reality April 10, 2012
A Mixed Media Reality (MMR) system and associated techniques are disclosed. The MMR system provides mechanisms for forming a mixed media document that includes media of at least two types (e.g., printed paper as a first medium and digital content and/or web link as a second medium).
8156116 Dynamic presentation of targeted information in a mixed media reality recognition system April 10, 2012
A context-aware targeted information delivery system comprises a mobile device, an MMR matching unit, a plurality of databases for user profiles, user context and advertising information, a plurality of comparison engines and a plurality of weight adjusters. The mobile device is coupled
8156115 Document-based networking with mixed media reality April 10, 2012
A Mixed Media Reality (MMR) system and associated techniques are disclosed. The MMR system provides mechanisms for forming a mixed media document that includes media of at least two types (e.g., printed paper as a first medium and digital content and/or web link as a second medium).
8155543 Image forming apparatus capable of reducing a lengthy duration of an adjustment control April 10, 2012
An image forming apparatus includes an image carrying member, an image forming mechanism, an optical sensor, and a controller. The image forming mechanism performs an image forming operation for forming a reference toner image on the image carrying member under a specific setting ass
8155121 Detection of physical movement for document sharing April 10, 2012
A system for using accelerometer-based detection of physical movement for document sharing provides easy and intuitive ways to securely share documents, even without passwords, between computing devices. The system of the present invention includes: at least two computing devices that
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